CN109546815B - Pre-insertion indexing mechanism of motor stator insulation slot wedge - Google Patents
Pre-insertion indexing mechanism of motor stator insulation slot wedge Download PDFInfo
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- CN109546815B CN109546815B CN201811563921.3A CN201811563921A CN109546815B CN 109546815 B CN109546815 B CN 109546815B CN 201811563921 A CN201811563921 A CN 201811563921A CN 109546815 B CN109546815 B CN 109546815B
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- motor stator
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- 230000007246 mechanism Effects 0.000 title claims abstract description 86
- 238000003780 insertion Methods 0.000 title claims abstract description 71
- 238000009413 insulation Methods 0.000 title claims description 27
- 238000003860 storage Methods 0.000 claims abstract description 291
- 230000037431 insertion Effects 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 238000012797 qualification Methods 0.000 abstract description 8
- 238000009966 trimming Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0018—Applying slot closure means in the core; Manufacture of slot closure means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the field of motor stators for compressors, in particular to a pre-insertion indexing mechanism of an insulating slot wedge of a motor stator, which comprises a temporary storage device, wherein temporary storage holes are formed in the temporary storage device at positions corresponding to mounting holes of the slot wedge of the motor stator, and the temporary storage holes are used for storing the slot wedge. The temporary storage hole is arranged to store the slot wedge conveniently, after the slot wedge is stored in the temporary storage hole, the pre-insertion indexing mechanism is aligned to the slot wedge mounting hole of the motor stator, and when the force is applied to the slot wedge in the pre-insertion indexing mechanism, the stress direction of the insulating slot wedge is opposite to the slot wedge mounting hole, so that the situation that the insulating slot wedge is bent in the process of insertion is avoided, and the qualification rate of the motor stator is improved.
Description
Technical Field
The invention relates to the field of motor stators for compressors, in particular to a pre-insertion indexing mechanism of an insulating slot wedge of a motor stator.
Background
The motor includes a stator and a rotor provided in the stator, the stator includes a stator core and a stator winding, the stator core is composed of a back yoke and teeth, the back yoke forms a cylindrical portion of an outer edge, and the teeth are provided inside the back yoke and wind the stator winding. In order to increase the insulation of the stator and thus the electromagnetic conversion efficiency of the motor, it is necessary to insert an insulation slot wedge into a slot wedge mounting hole of the motor stator.
In the prior art, the bottom of the insulating slot wedge is manually held to align with the slot wedge mounting hole of the motor stator, and then the insulating slot wedge is inserted into the slot wedge mounting hole by applying force, but the stress direction of the insulating slot wedge is deviated from the slot wedge mounting hole due to improper force application, so that the situation that the insulating slot wedge is bent in the inserting process is caused, and the qualification rate of the motor stator is reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a pre-insertion indexing mechanism of an insulating slot wedge of a motor stator, which can avoid the situation that the insulating slot wedge is bent in the process of insertion, thereby improving the qualification rate of the motor stator.
In order to achieve the above purpose, the invention adopts the following technical scheme: the pre-insertion indexing mechanism of the motor stator insulation slot wedge comprises a temporary storage device, wherein a temporary storage hole is formed in the temporary storage device at a position corresponding to a motor stator slot wedge mounting hole, and the temporary storage hole is used for storing the slot wedge.
In the scheme, the temporary storage hole is arranged to facilitate the storage of the slot wedge, after the slot wedge is stored in the temporary storage hole, the pre-insertion indexing mechanism is aligned to the slot wedge mounting hole of the motor stator, and when the force is applied to the slot wedge in the pre-insertion indexing mechanism, the stress direction of the insulating slot wedge is opposite to the slot wedge mounting hole, so that the situation that the insulating slot wedge is bent in the process of insertion is avoided, and the qualification rate of the motor stator is improved.
The slot wedge in the pre-insertion indexing mechanism can be inserted into the slot wedge mounting hole of the motor stator by using the contact pin.
Preferably, the temporary storage device is provided with a turntable capable of revolving itself; the pre-insertion indexing mechanism further comprises a temporary storage device rotation driving device, and the temporary storage device rotation driving device is detachably connected with the temporary storage device and is used for driving the temporary storage device to rotate when being connected. The center of the turntable is provided with a turntable driving structure, the turntable driving structure is a torque motor, a turntable mounting base for mounting the turntable driving structure is arranged below the turntable, and the turntable driving structure drives the turntable to rotate so as to drive the temporary storage device to revolve; after the slot wedge is stored in the temporary storage hole, the turntable is rotated to enable the temporary storage device to revolve, so that the temporary storage hole on the temporary storage device can be conveniently adjusted to a position opposite to the motor stator slot wedge mounting hole, and the slot wedge can be conveniently inserted into the motor stator slot wedge mounting hole; under the general condition, slot wedges are filled into one temporary storage hole at a time, and the temporary storage device rotation driving device drives the temporary storage device to rotate, so that the position of each temporary storage hole is sequentially adjusted, and the slot wedges are conveniently filled into each temporary storage hole in sequence; the temporary storage device autorotation driving device is a servo motor.
Preferably, the temporary storage device comprises a rotating plate, a temporary storage cylinder and a guide disc which are connected in sequence, and temporary storage holes penetrate through the temporary storage cylinder and the guide disc; the rotating plate is connected with the turntable, and the temporary storage cylinder and the guide disc are arranged in the rotating plate and can rotate relative to the rotating plate; the guide disc is used for guiding the slot wedge in the temporary storage hole to be inserted into the slot wedge mounting hole of the motor stator; the guide disc is detachably connected with the rotation driving device of the temporary storage device. The setting of rotor plate makes temporary storage device and carousel be connected to realize that the carousel rotates and drives temporary storage device revolution, drive the steering wheel rotation when temporary storage device rotation drive arrangement is connected with the steering wheel, the steering wheel rotates and drives temporary storage section of thick bamboo and rotate, and steering wheel and temporary storage section of thick bamboo rotate relative rotor plate, in order to realize temporary storage device rotation, and the carousel does not rotate when temporary storage device rotation.
Preferably, the temporary storage device further comprises a top disc arranged above the temporary storage cylinder, and the temporary storage hole sequentially penetrates through the top disc, the temporary storage cylinder and the guide disc; the top disk is connected with the temporary storage barrel and used for guiding the slot wedge to be installed in the temporary storage hole.
Preferably, the temporary storage device further comprises a roller bearing, wherein the roller bearing is sleeved on the guide disc and is arranged between the guide disc and the rotating plate, and the roller bearing is sleeved on the temporary storage cylinder and is arranged between the top disc and the rotating plate. The roller bearing is arranged to enable the temporary storage device to rotate smoothly.
Preferably, a top disc notch is circumferentially arranged at the edge of the top disc, a temporary storage device positioning driving structure is arranged on the turntable, and a temporary storage device positioning device matched with the top disc notch is arranged on the temporary storage device positioning driving structure; the temporary storage device positioning driving structure is used for driving the temporary storage device positioning device to lift so as to separate and combine the temporary storage device positioning device with the notch of the top disc. The temporary storage device positioning driving structure drives the temporary storage device positioning device to ascend, so that the temporary storage device positioning device is separated from the notch of the top disc, and the temporary storage device can rotate; the temporary storage device positioning driving structure drives the temporary storage device positioning device to descend, so that the temporary storage device positioning device is combined with the top disc notch, the temporary storage device is positioned and cannot rotate, and the slot wedge in the temporary storage hole is conveniently inserted into the motor stator slot wedge mounting hole.
Preferably, the temporary storage device rotation driving device is provided with a temporary storage device rotation driving device lifting structure for driving the temporary storage device rotation driving device to lift; the guide disc is provided with a bolt hole, and the temporary storage device autorotation driving device is provided with a bolt corresponding to the bolt hole. The temporary storage device rotation driving device lifting structure drives the temporary storage device rotation driving device to lift, so that a bolt is inserted into the bolt hole, the guide disc is connected with the temporary storage device rotation driving device, and the temporary storage device rotation driving device drives the temporary storage device to rotate; the temporary storage device rotation driving device lifting structure drives the temporary storage device rotation driving device to descend, so that the bolt is separated from the bolt hole, and separation of the guide disc and the temporary storage device rotation driving device is realized.
Preferably, temporary storage holes in the guide disc are obliquely arranged, and the oblique direction from top to bottom is from far to near the center of the guide disc; the outlet position of the temporary storage hole in the guide disc is corresponding to the installation hole of the stator slot wedge of the motor. The inclined arrangement makes the slot wedge more easily inserted into the mounting hole of the slot wedge of the motor stator from the guide disc, and the slot wedge is less easily bent in the inserting process.
Preferably, the bottom of the guide disc is provided with a precise positioning device, and the motor stator is provided with a precise positioning groove matched with the precise positioning device. The pre-insertion indexing mechanism is applied to the automatic inserting device of the motor stator insulation slot wedge, and can be matched with a part for controlling the motor stator to lift in the automatic inserting device of the motor stator insulation slot wedge so as to finish the positioning of the temporary storage device and the motor stator and ensure that the slot wedge in the temporary storage device can be smoothly inserted into a mounting hole of the motor stator slot wedge.
Preferably, the whole rotary table is of a Y-shaped structure, and a temporary storage device is respectively arranged at three heads of the Y-shaped structure. The temporary storage device is arranged in the slot wedge mounting hole, and the temporary storage device is arranged in the slot wedge mounting hole.
The insulation slot wedge is inserted into the slot wedge mounting hole of the motor stator, so that a manual insertion mode or an automatic insertion mode can be used; the insulating slot wedge is manually inserted into the slot wedge mounting hole of the motor stator, so that the production efficiency is low, the situation of missing insertion can occur frequently due to the fact that a plurality of slot wedge mounting holes are needed for mounting the insulating slot wedge, and the problems can be solved by an automatic insertion mode.
The pre-insertion indexing mechanism is applied to an automatic inserting device of the motor stator insulation slot wedge, and the automatic inserting device of the motor stator insulation slot wedge comprises a workpiece mounting plate, a control unit, a feeding device connected with the control unit and an inserting mechanism besides the pre-insertion indexing mechanism; the pre-insertion indexing mechanism is also connected with the control unit; the workpiece mounting plate is used for mounting a motor stator; the feeding device is used for loading the slot wedge into the temporary storage hole; the inserting mechanism is used for driving the slot wedge in the temporary storage hole to be inserted into the motor stator slot wedge mounting hole.
The turntable driving structure, the temporary storage device rotation driving device, the temporary storage device positioning driving structure and the temporary storage device rotation driving device lifting structure are all connected with the control unit; the turntable rotates to enable the temporary storage device to revolve, and the temporary storage hole on the temporary storage device is opposite to the motor stator slot wedge mounting hole after the temporary storage device rotates in place.
Preferably, the feeding device comprises a slot wedge placing mechanism, a slot wedge traction mechanism, a feeding hole, a trimming mechanism and a flattening mechanism, wherein a slot wedge guide mechanism is arranged between the slot wedge placing mechanism and the feeding hole, a slot wedge discharging channel is arranged in the slot wedge guide mechanism, the slot wedge is arranged on the slot wedge placing mechanism, the slot wedge traction mechanism is connected with the control unit and used for pulling the slot wedge to the feeding hole, the trimming mechanism is arranged at the feeding hole and connected with the control unit and used for trimming the slot wedge, a part of the slot wedge protrudes out of the temporary storage hole after trimming the slot wedge by the trimming mechanism, the flattening mechanism is connected with the control unit and used for pressing the slot wedge protruding out of the temporary storage hole into the temporary storage hole, the trimming mechanism can be scissors, the flattening mechanism can comprise a flattening driving device and a flattening block, and the flattening driving device drives the flattening block to move so as to press the slot wedge protruding out of the temporary storage hole into the temporary storage hole.
Preferably, the insertion mechanism comprises a contact pin, a contact pin fixing plate, a guide rod fixing plate and a contact pin driving device, wherein the contact pin is fixed below the contact pin fixing plate, the guide rod is used for connecting the guide rod fixing plate and the contact pin fixing plate, the contact pin driving device is connected with the control unit and used for driving the contact pin fixing plate and the contact pin to do lifting motion along the guide rod together, the contact pin exerts force on a slot wedge in the temporary storage hole when descending, the slot wedge is inserted into a slot wedge mounting hole of the motor stator under the action of the contact pin, and the contact pin driving device can be an air cylinder.
In the automatic inserting device of the motor stator insulating slot wedge, the slot wedge is filled into the temporary storage hole on the temporary storage device through the feeding device, then the temporary storage device is rotated through the rotating disc, the temporary storage hole on the temporary storage device is opposite to the motor stator slot wedge mounting hole after the temporary storage device is rotated in place, the slot wedge in the temporary storage hole is driven by the inserting mechanism to be inserted into the motor stator slot wedge mounting hole, the automatic inserting device of the slot wedge is high in production efficiency, the condition of inserting the insulating slot wedge in a missing mode cannot occur, the condition that the insulating slot wedge is not easy to bend in the inserting process is avoided, and the qualification rate of the motor stator is improved.
The whole turntable with the Y-shaped structure enables the feeding device and the inserting mechanism to work simultaneously, and improves production efficiency. The edge of the turntable with the Y-shaped structure is of a smooth structure.
Preferably, the feeding device is provided with a feeding port; the feeding device loads slot wedges into one temporary storage hole at a time, and the temporary storage device autorotation driving device drives the temporary storage device to autorotate so that the temporary storage holes sequentially correspond to the feeding holes, and the temporary storage device autorotates the feeding device for a circle to finish loading slot wedges into all temporary storage holes.
Preferably, the temporary storage device positioning device is of a convex structure, and the convex part is matched with the notch of the top disc, so that the temporary storage device cannot rotate relative to the rotating plate in the revolution process.
Preferably, the workpiece mounting plate is provided with a coarse positioning device, and the motor stator is provided with a coarse positioning groove matched with the coarse positioning device. The positioning of the motor stator is realized by the arrangement, so that when the temporary storage device is rotated in place in a male way, the temporary storage hole is opposite to the mounting hole of the motor stator slot wedge, and the slot wedge in the temporary storage hole is conveniently inserted into the mounting hole of the motor stator slot wedge by the insertion mechanism; the coarse positioning device can be a coarse positioning lug fixed on the workpiece mounting plate, the coarse positioning groove can be a coarse positioning groove formed in the bottom of the outer wall of the motor stator, and when the motor stator is mounted on the workpiece mounting plate, the coarse positioning lug is inserted into the coarse positioning groove from bottom to top.
Preferably, a motor stator lifting driving device for driving the motor stator to lift is arranged on the workpiece mounting plate, the motor stator lifting driving device is connected with the control unit, the motor stator lifting driving device drives the motor stator to lift, so that the coarse positioning device is separated from the coarse positioning hole, and meanwhile, a precise positioning device at the bottom of the guide plate is combined with a precise positioning groove on the motor stator, so that the guide plate and the motor stator are positioned; the precise positioning device can be a precise positioning lug fixed at the bottom of the guide disc, the precise positioning groove can be a precise positioning groove arranged at the top of the outer wall of the motor stator, and the precise positioning lug is inserted into the precise positioning groove from top to bottom when the motor stator is driven by the motor stator lifting driving device to ascend.
Preferably, the workpiece mounting plate is provided with a plurality of motor stators; the workpiece mounting plate is provided with a workpiece mounting plate driving device for driving the workpiece mounting plate to rotate, and the workpiece mounting plate driving device is connected with the control unit. This facilitates improvement in production efficiency.
Preferably, the workpiece mounting plate driving device is a torque motor, and is arranged in the center of the workpiece mounting plate; a workpiece mounting plate base for mounting the workpiece mounting plate driving device is arranged below the workpiece mounting plate. The workpiece mounting disc driving device drives the workpiece mounting disc to rotate so as to drive the motor stator to revolve, the temporary storage device and the motor stator revolve so that the temporary storage device and the motor stator rotate in place in a quick and revolution mode, and temporary storage holes in the temporary storage device are opposite to the motor stator slot wedge mounting holes when the temporary storage device and the motor stator revolve in place.
Preferably, the workpiece mounting plate is fixedly provided with a motor stator mounting part, the motor stator is mounted on the motor stator mounting part, and the coarse positioning device is arranged on the motor stator mounting part.
Preferably, the motor stator mounting part comprises a positioning tool structure and a stator mounting structure, the positioning tool structure is fixed on the workpiece mounting plate, and the coarse positioning device is arranged on the positioning tool structure; the stator mounting structure is arranged in the positioning tool structure 3031 and can do lifting motion in the positioning tool structure, and the motor stator is arranged on the stator mounting structure; tooling through holes are formed in positions, opposite to the stator mounting structures, of the workpiece mounting plates, the tooling through holes are smaller than the size of the stator mounting structures, and the motor stator lifting driving device can drive the stator mounting structures to lift through the tooling through holes so as to drive the electronic stator to lift.
Preferably, the stator mounting structure includes the stator mounting base, and stator mounting base center is equipped with the bellying, and the electron stator cover is located on the bellying and is supported by the stator mounting base, sets up like this and makes motor stator in the space that location frock structure 3031 and bellying enclose, prevents that motor stator from rocking at will.
Preferably, the boss is hollow in structure. The weight of the stator mounting structure is reduced conveniently, and the motor stator lifting driving device is convenient for driving the motor stator to do lifting movement.
Preferably, the top of location frock structure wall portion is equipped with the breach, sets up the installation and the removal of motor stator on motor stator installation department of being convenient for like this.
Compared with the prior art, the invention has the beneficial effects that: the temporary storage hole is arranged to store the slot wedge conveniently, after the slot wedge is stored in the temporary storage hole, the pre-insertion indexing mechanism is aligned to the slot wedge mounting hole of the motor stator, and when the force is applied to the slot wedge in the pre-insertion indexing mechanism, the stress direction of the insulating slot wedge is opposite to the slot wedge mounting hole, so that the situation that the insulating slot wedge is bent in the process of insertion is avoided, and the qualification rate of the motor stator is improved.
Drawings
Fig. 1 is a schematic structural view of an automatic insertion device for an insulation slot wedge of a motor stator, which comprises the pre-insertion indexing mechanism.
Fig. 2 is a schematic connection diagram of a motor stator, a workpiece mounting plate and a motor stator lifting driving device in an automatic insertion device of a motor stator insulation slot wedge.
Fig. 3 is a schematic view of a motor stator mounted on a workpiece mounting plate in an automatic insertion device for an insulation slot wedge of the motor stator.
Fig. 4 is a schematic diagram of a pre-insertion indexing mechanism for an insulation slot wedge of a motor stator according to the present embodiment.
Fig. 5 is a schematic diagram of a temporary storage device and a temporary storage device rotation driving device in the present embodiment, wherein the temporary storage device is in an explosion state.
Fig. 6 is a plan view of the top plate in the present embodiment.
Fig. 7 is a top view of the guide plate in this embodiment.
Fig. 8 is an enlarged view of a in fig. 7.
Fig. 9 is a schematic diagram of a loading device in an automatic insertion device for an insulation slot wedge of a motor stator.
Fig. 10 is a schematic view of an insertion mechanism inserting a slot wedge into a motor stator slot wedge mounting hole, wherein for clarity of illustration, the temporary storage device only shows a top disk and a guide disk.
Fig. 11 is a schematic diagram of the connection of the pre-insertion indexing mechanism with the loading device, the insertion mechanism and the motor stator.
Fig. 12 is a schematic view of a slot wedge.
Fig. 13 is an explanatory view of a process of inserting the slot wedge by the automatic insertion device.
Reference numerals: a pre-insertion indexing mechanism 100; a temporary storage device rotation driving device 101; a latch 1011; a temporary storage device rotation driving device lifting structure 1012; a temporary storage device 102; a temporary storage hole 1021; a turntable 1022; top tray 1023; a temporary storage cylinder 1024; a rotation plate 1025; a guide plate 1026; roller bearings 1027; a precision positioning device 1028; coarse positioning means 1029; a turntable drive structure 1031; a turntable mounting base 1032; top disk notch 1033; a temporary storage device positioning drive structure 1034; temporary storage device positioning device 1035; an insertion mechanism 200; a pin 201; a pin fixing plate 202; a guide lever 203; a guide rod fixing plate 204; pin driving means 205; a workpiece mounting plate 300; a motor stator lifting drive 301; a workpiece mounting plate drive 302; a motor stator mounting portion 303; a workpiece mounting plate base 304; positioning tooling structure 3031; stator mounting structure 3032; a stator mounting base 3033; a boss 3034; notch 3035; a motor stator 400; wedge mounting holes 401; a feeding device 500; a slot wedge traction mechanism 501; a trimming mechanism 502; a flattening mechanism 503; wedge guide 504; wedge 600.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Examples
As shown in fig. 1 and fig. 4 to fig. 8, the present embodiment provides a pre-insertion indexing mechanism 100 for an insulation slot wedge of a motor stator, which includes a temporary storage device 102, wherein a temporary storage hole 1021 is provided on the temporary storage device 102 at a position corresponding to a slot wedge mounting hole 401 of the motor stator 400, and the temporary storage hole 1021 is used for storing the slot wedge 600.
By arranging the temporary storage holes 1021 to facilitate storage of the slot wedge 600, after the slot wedge 600 is stored in the temporary storage holes 1021, the pre-insertion indexing mechanism 100 is aligned to the slot wedge mounting holes 401 of the motor stator 400, and when the force is applied to the slot wedge 600 in the pre-insertion indexing mechanism 100, the stress direction of the insulating slot wedge 600 is opposite to the slot wedge mounting holes 401, so that the situation that the insulating slot wedge 600 is bent in the process of insertion is avoided, and the qualification rate of the motor stator 400 is improved.
In this embodiment, the slot wedge 600 in the pre-insertion indexing mechanism 100 may be inserted into the slot wedge mounting hole 401 of the motor stator 400 using a pin.
Wherein, the temporary storage device 102 is provided with a turntable 1022 which can revolve itself; the pre-insertion indexing mechanism 100 further comprises a temporary storage device rotation driving device 101, and the temporary storage device rotation driving device 101 is detachably connected with the temporary storage device 102 and is used for driving the temporary storage device 102 to rotate when connected. The center of the turntable 1022 is provided with a turntable driving structure 1031, the turntable driving structure 1031 is a torque motor, a turntable mounting base 1032 for mounting the turntable driving structure 1031 is arranged below the turntable 1022, and the turntable driving structure 1031 drives the turntable 1022 to rotate so as to drive the temporary storage device 102 to revolve; after the slot wedge 600 is stored in the temporary storage hole 1021, the turntable 1022 is rotated to enable the temporary storage device 102 to revolve, so that the temporary storage hole 1021 on the temporary storage device 102 is conveniently adjusted to be opposite to the motor stator slot wedge mounting hole 401, and the slot wedge 600 is conveniently inserted into the motor stator slot wedge mounting hole 401; in general, the slot wedge 600 is installed into one temporary storage hole 1021 at a time, and the temporary storage device rotation driving device 101 drives the temporary storage device 102 to rotate, so that the position of each temporary storage hole 1021 is sequentially adjusted, and the slot wedge 600 is conveniently installed into each temporary storage hole 1021 in sequence; the temporary storage device rotation driving device 101 is a servo motor.
In addition, as shown in fig. 5, the temporary storage device 102 includes a rotating plate 1025, a temporary storage drum 1024 and a guiding plate 1026 connected in sequence, and temporary storage holes 1021 are provided through the temporary storage drum 1024 and the guiding plate 1026; the rotating plate 1025 is connected with the turntable 1022, and the temporary storage barrel 1024 and the guide plate 1026 are arranged in the rotating plate 1025 and can rotate relative to the rotating plate 1025; the guiding disc 1026 is used for guiding the slot wedge 600 in the temporary storage hole 1021 to be inserted into the slot wedge mounting hole 401 of the motor stator 400; the guide plate 1026 is detachably connected to the temporary storage device rotation driving device 101. The rotation plate 1025 connects the temporary storage device 102 with the turntable 1022 to realize that the turntable 1022 rotates to drive the temporary storage device 102 to revolve; the temporary storage device rotation driving device 101 drives the guide disc 1026 to rotate when being connected with the guide disc 1026, the guide disc 1026 rotates to drive the temporary storage drum 1024 to rotate, and the guide disc 1026 and the temporary storage drum 1024 rotate relative to the rotating plate 1025, so that the temporary storage device 102 rotates, and the turntable 1022 does not rotate while the temporary storage device 102 rotates.
Wherein, the temporary storage device 102 further comprises a top disk 1023 disposed above the temporary storage drum 1024, and the temporary storage hole 1021 sequentially penetrates through the top disk 1023, the temporary storage drum 1024 and the guiding disk 1026; the top disk 1023 is coupled to the scratch pad drum 1024 and is used to guide the slot wedge 600 into the scratch pad aperture 1021.
In addition, the temporary storage device 102 further includes a roller bearing 1027, wherein one roller bearing 1027 is sleeved on the guide disc 1026 and is disposed between the guide disc 1026 and the rotating plate 1025, and one roller bearing 1027 is sleeved on the temporary storage barrel 1024 and is disposed between the top disc 1023 and the rotating plate 1025. The roller bearings 1027 are provided to smooth rotation of the temporary storage device 102.
As shown in fig. 4, a top disc notch 1033 is circumferentially arranged at the edge of the top disc 1023, a temporary storage device positioning driving structure 1034 is arranged on the turntable 1022, and a temporary storage device positioning device 1035 matched with the top disc notch 1033 is arranged on the temporary storage device positioning driving structure 1034; the temporary storage device positioning driving structure 1034 is used for driving the temporary storage device positioning device 1035 to lift up and down so as to separate and combine the temporary storage device positioning device 1035 and the top disc notch 1033. The temporary storage device positioning driving structure 1034 drives the temporary storage device positioning device 1035 to ascend, so that the temporary storage device positioning device 1035 is separated from the top disc notch 1033, and the temporary storage device 102 can rotate; the temporary storage device positioning driving structure 1034 drives the temporary storage device positioning device 1035 to descend, so that the temporary storage device positioning device 1035 is combined with the top disc notch 1033, the temporary storage device 102 is positioned to be unable to rotate, and the slot wedge 600 in the temporary storage hole 1021 is convenient to insert into the slot wedge mounting hole 401 of the motor stator 400.
In this embodiment, the temporary storage device positioning device 1035 has a convex structure, and the convex portion is matched with the top plate notch 1033, which further prevents the temporary storage device 102 from rotating relative to the rotating plate 1025 during revolution.
In addition, as shown in fig. 5, the temporary storage device rotation driving device 101 is provided with a temporary storage device rotation driving device lifting structure 1012 for driving the temporary storage device rotation driving device to lift; the guide plate 1026 is provided with a latch hole, and the temporary storage device rotation driving device 101 is provided with a latch 1011 corresponding to the latch hole. The temporary storage device rotation driving device lifting structure 1012 drives the temporary storage device rotation driving device 101 to lift, so that the bolt 1011 is inserted into the bolt hole, so as to realize the connection between the guide disc 1026 and the temporary storage device rotation driving device 101 and further realize the rotation driving of the temporary storage device 102 by the temporary storage device rotation driving device 101; the temporary storage device rotation driving device lifting structure 1012 drives the temporary storage device rotation driving device 101 to descend so that the bolts 1011 are separated from the bolt holes, and separation of the guide disc 1026 and the temporary storage device rotation driving device 101 is realized.
As shown in fig. 10 and 13, the temporary storage holes 1021 in the guiding plate 1026 are arranged in an inclined manner, and the inclined direction from top to bottom is from far to near the center of the guiding plate 1026; the outlet position of the temporary storage hole 1021 in the guide plate 1026 is corresponding to the slot wedge mounting hole 401 of the motor stator 400. The angled arrangement allows wedge 600 to more easily be inserted into wedge mounting hole 401 of motor stator 400 from guide disk 1026 and wedge 600 to less easily bend during insertion.
In addition, as shown in fig. 2, 5 and 11, a precision positioning device 1028 is provided at the bottom of the guide plate 1026, and a precision positioning groove matching the precision positioning device 1028 is provided on the motor stator 400. The pre-insertion indexing mechanism 100 is applied to an automatic inserting device of a motor stator insulating slot wedge, and can be matched with a component for controlling the motor stator 400 to lift in the automatic inserting device of the motor stator insulating slot wedge so as to finish the positioning of the temporary storage device 102 and the motor stator 400, and ensure that the slot wedge 600 in the temporary storage device 102 can be smoothly inserted into the slot wedge mounting hole 401 of the motor stator.
As shown in fig. 4, the turntable 1022 has a Y-shaped structure, and a temporary storage device 102 is respectively disposed at three heads of the Y-shaped structure. The arrangement is that the temporary storage device 102 is arranged with the slot wedge 600, and the temporary storage device 102 with the slot wedge 600 is arranged with the slot wedge mounting hole 401 of the motor stator, so as to complete the insertion work of the slot wedge 600, thereby being convenient for improving the efficiency of inserting the slot wedge 600 into the motor stator.
The insulation slot wedge 600 is inserted into the slot wedge mounting hole 401 of the motor stator, and a manual insertion mode or an automatic insertion mode can be used; the insulation slot wedge 600 is manually inserted into the slot wedge mounting hole 401 of the motor stator, so that the production efficiency is low, the insulation slot wedge 600 is frequently missed to be inserted due to the fact that a plurality of slot wedge mounting holes 401 are needed to be mounted, and the automatic insertion mode can solve the problems.
The pre-insertion indexing mechanism 100 is applied to an automatic inserting device of the motor stator insulation slot wedge, and the automatic inserting device of the motor stator insulation slot wedge comprises a workpiece mounting plate 300, a control unit, a feeding device 500 connected with the control unit and an inserting mechanism 200 besides the pre-insertion indexing mechanism 100; the pre-insertion indexing mechanism 100 is also connected to the control unit; the workpiece mounting plate 300 is used for mounting the motor stator 400; the feeding device 500 is used for loading the slot wedge 600 into the temporary storage hole 1021; the insertion mechanism 200 is used for driving the slot wedge 600 in the temporary storage hole 1021 to be inserted into the slot wedge mounting hole 401 of the motor stator 400.
The turntable driving structure, the temporary storage device rotation driving device 101, the temporary storage device positioning driving structure 1034 and the temporary storage device rotation driving device lifting structure 1012 are all connected with the control unit; the turntable 1022 rotates to enable the temporary storage device 102 to revolve, and after the temporary storage device 102 revolves in place, the temporary storage hole 1021 on the temporary storage device 102 is opposite to the slot wedge mounting hole 401 of the motor stator 400.
As shown in fig. 9, the feeding device 500 includes a slot wedge placing mechanism, a slot wedge traction mechanism 501, a feeding port, a trimming mechanism 502 and a flattening mechanism 503, a slot wedge guiding mechanism 504 is disposed between the slot wedge placing mechanism and the feeding port, a slot wedge discharging channel is disposed in the slot wedge guiding mechanism 504, the slot wedge 600 is disposed on the slot wedge placing mechanism, the slot wedge traction mechanism 501 is connected with a control unit and is used for pulling the slot wedge 600 to the feeding port, the trimming mechanism 502 is disposed at the feeding port and is connected with the control unit and is used for trimming the slot wedge 600, a portion of the slot wedge 600 protrudes out of the temporary storage hole 1021 after the trimming mechanism trims the slot wedge 600, the flattening mechanism is connected with the control unit and is used for pressing the slot wedge 600 protruding out of the temporary storage hole 1021 into the temporary storage hole 1021, the trimming mechanism 502 may be scissors, the flattening mechanism 503 may include a flattening driving device and a flattening block, and the flattening driving device drives the flattening block to move so as to press the slot wedge 600 protruding out of the temporary storage hole 1021 into the temporary storage hole 1021.
In addition, as shown in fig. 10, the insertion mechanism 200 includes a pin 201, a pin fixing plate 202, a guide rod 203, a guide rod fixing plate 204, and a pin driving device 205, the pin 201 is fixed below the pin fixing plate 201, the guide rod 203 is used for connecting the guide rod fixing plate 204 and the pin fixing plate 202, the pin driving device 205 is connected with the control unit and is used for driving the pin fixing plate 202 and the pin 201 to move up and down along the guide rod 203 together, when the pin 201 descends, a force is applied to a slot wedge 600 in a temporary storage hole 1021, the slot wedge 600 is inserted into a slot wedge mounting hole 401 of a motor stator under the action of the pin 201, and the pin driving device 205 can be a cylinder.
As shown in fig. 1, 11 and 13, in the automatic insertion device for the insulating slot wedge of the motor stator, the slot wedge 500 is installed into the temporary storage hole 1021 on the temporary storage device 102 through the feeding device 500, then the temporary storage device 102 is rotated through the rotation of the turntable 1022, the temporary storage hole 1021 on the temporary storage device 102 and the slot wedge mounting hole 401 of the motor stator 400 are opposite after the temporary storage device 102 revolves in place, the slot wedge 600 in the temporary storage hole 1021 is driven by the insertion mechanism 200 to be inserted into the slot wedge mounting hole 401 of the motor stator 400, the automatic insertion device for the slot wedge has high production efficiency, the situation of missing the insulating slot wedge cannot occur, the situation of bending the insulating slot wedge cannot occur easily in the insertion process, and the qualification rate of the motor stator is improved.
In this embodiment, as shown in fig. 4, the turntable 1022 is integrally in a Y-shaped structure, so that the feeding device 500 and the insertion mechanism 200 can work simultaneously, and the production efficiency is improved. The edge of the turntable 1022 with Y-shaped structure is smooth.
In addition, as shown in fig. 1, 4 and 5, the feeding device 500 is provided with a feeding port; the feeding device 500 loads the slot wedges 600 into one temporary storage hole 1021 at a time, and the temporary storage device rotation driving device 101 drives the temporary storage device 102 to rotate so that the temporary storage holes 1021 sequentially correspond to the feeding holes, and the temporary storage device 102 rotates for one circle, so that the feeding device 500 finishes loading the slot wedges 600 into all the temporary storage holes 1021.
As shown in fig. 2 and 3, the workpiece mounting plate 300 is provided with a coarse positioning device 1029, and the motor stator 400 is provided with a coarse positioning groove matched with the coarse positioning device 1029. The positioning of the motor stator 400 is realized by the arrangement, so that when the temporary storage device 102 is rotated in place in a male way, the temporary storage hole 1021 is opposite to the slot wedge mounting hole 401 of the motor stator 400, and the slot wedge 600 in the temporary storage hole 1021 is conveniently inserted into the slot wedge mounting hole 401 of the motor stator by the inserting mechanism 200; the rough positioning device 1029 may be a rough positioning protrusion fixed on the workpiece mounting plate 300, and the rough positioning groove may be a rough positioning groove formed at the bottom of the outer wall of the motor stator 400, so that the rough positioning protrusion is inserted into the rough positioning groove from bottom to top when the motor stator 400 is mounted on the workpiece mounting plate 300.
In addition, as shown in fig. 2, 5 and 11, the workpiece mounting plate 300 is provided with a motor stator lifting driving device 301 for driving the motor stator 400 to lift, the motor stator lifting driving device 301 is connected with the control unit, the motor stator lifting driving device 301 drives the motor stator 400 to lift, so that the coarse positioning device 1029 is separated from the coarse positioning hole, meanwhile, the precise positioning device 1028 at the bottom of the guide plate is combined with the precise positioning groove on the motor stator to realize the positioning of the guide plate 1026 and the motor stator 400, and the insertion mechanism 200 is convenient for inserting the slot wedge 600 in the temporary storage hole 1021 into the slot wedge mounting hole 401 of the motor stator 400; when the motor stator lifting driving device 301 does not work, the coarse positioning device 1029 is combined with the coarse positioning hole to realize the positioning of the motor stator 400; the precision positioning device 1028 can be a precision positioning projection fixed at the bottom of the guide disc 1026, and the precision positioning groove can be a precision positioning groove arranged at the top of the outer wall of the motor stator 400, when the motor stator lifting driving device 301 drives the motor stator 400 to ascend, the precision positioning projection is inserted into the precision positioning groove from top to bottom.
In this embodiment, as shown in fig. 2, a plurality of motor stators 400 are mounted on the work mounting plate 300; the workpiece mounting plate 300 is provided with a workpiece mounting plate driving device 302 for driving the workpiece mounting plate to rotate, and the workpiece mounting plate driving device 302 is connected with a control unit. This facilitates improvement in production efficiency.
In addition, the workpiece mounting plate driving device 302 is a torque motor, and the workpiece mounting plate driving device 302 is mounted at the center of the workpiece mounting plate 300; a workpiece mounting plate base 304 for mounting the workpiece mounting plate drive 302 is provided below the workpiece mounting plate 300. The workpiece mounting plate driving device 302 drives the workpiece mounting plate 300 to rotate so as to drive the motor stator 400 to revolve, the temporary storage device 102 and the motor stator 400 revolve so that the temporary storage device 102 and the motor stator 400 rotate in place quickly, and temporary storage holes 1021 on the temporary storage device 102 are opposite to slot wedge mounting holes 401 of the motor stator 400 when the temporary storage device is in place.
In this embodiment, as shown in fig. 2, a motor stator mounting portion 303 is fixed to a work mounting plate 300, a motor stator 400 is mounted on the motor stator mounting portion 303, and a coarse positioning device 1029 is provided on the motor stator mounting portion 303.
Wherein, the motor stator mounting portion 303 includes a positioning fixture structure 3031 and a stator mounting structure 3032, the positioning fixture structure 3031 is fixed on the workpiece mounting plate 300, and the coarse positioning device 1029 is arranged on the positioning fixture structure 3031; the stator mounting structure 3032 is arranged in the positioning tool structure 3031 and can do lifting movement in the positioning tool structure 3031, and the motor stator 400 is placed on the stator mounting structure 3032; tooling through holes are formed in positions, opposite to the stator mounting structures 3032, of the workpiece mounting plate 300, the tooling through holes are smaller than the stator mounting structures 3032 in size, and the motor stator lifting driving device 301 can drive the stator mounting structures 3032 to lift through the tooling through holes so as to drive the electronic stator 400 to lift.
In addition, the stator mounting structure 3032 includes a stator mounting base 3033, a protruding portion 3034 is disposed at the center of the stator mounting base 3033, the electronic stator 400 is sleeved on the protruding portion 3034 and supported by the stator mounting base 3033, so that the motor stator 400 is disposed in a space surrounded by the positioning tool structure 3031 and the protruding portion 3034, and the motor stator 400 is prevented from shaking randomly.
In this embodiment, the protrusion 3034 is a hollow structure. This arrangement facilitates a reduction in weight of the stator mounting structure 3032 and facilitates a lifting movement of the motor stator 400 by the motor stator lifting drive 301.
In this embodiment, the top of the wall portion of the positioning fixture structure 3031 is provided with a notch 3035, so that the installation and removal of the motor stator 400 on the motor stator installation portion 303 are facilitated.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The pre-insertion indexing mechanism (100) of the motor stator insulation slot wedge is characterized by comprising a temporary storage device (102), wherein a temporary storage hole (1021) is formed in the temporary storage device (102) at a position corresponding to a slot wedge mounting hole (401) of the motor stator (400), and the temporary storage hole (1021) is used for storing the slot wedge (600);
the temporary storage device (102) is provided with a turntable (1022) which can revolve itself; the pre-insertion indexing mechanism (100) further comprises a temporary storage device rotation driving device (101), and the temporary storage device rotation driving device (101) is detachably connected with the temporary storage device (102) and is used for driving the temporary storage device (102) to rotate when connected;
the temporary storage device (102) comprises a rotating plate (1025), a temporary storage barrel (1024) and a guide plate (1026) which are connected in sequence, wherein temporary storage holes (1021) penetrate through the temporary storage barrel (1024) and the guide plate (1026); the rotating plate (1025) is connected with the rotating plate (1022), and the temporary storage barrel (1024) and the guide plate (1026) are arranged in the rotating plate (1025) and can rotate relative to the rotating plate (1025); the guide disc (1026) is used for guiding the slot wedge (600) in the temporary storage hole (1021) to be inserted into the slot wedge mounting hole (401) of the motor stator (400); the guide disc (1026) is detachably connected with the temporary storage device autorotation driving device (101);
the rotary table (1022) is of a Y-shaped structure as a whole, and a temporary storage device (102) is respectively arranged at three heads of the Y-shaped structure.
2. The pre-insertion indexing mechanism (100) of an insulation slot wedge of a motor stator according to claim 1, wherein the temporary storage device (102) further comprises a top plate (1023) arranged above the temporary storage barrel (1024), and the temporary storage hole (1021) is sequentially formed through the top plate (1023), the temporary storage barrel (1024) and the guide plate (1026); the top plate (1023) is connected to the temporary storage barrel (1024) and is used for guiding the slot wedge (600) to be installed in the temporary storage hole (1021).
3. The pre-insertion indexing mechanism (100) of an insulation slot wedge for a motor stator according to claim 2, wherein the temporary storage device (102) further comprises a roller bearing (1027), wherein a roller bearing (1027) is sleeved on the guide disc (1026) and is disposed between the guide disc (1026) and the rotating plate (1025), and wherein a roller bearing (1027) is sleeved on the temporary storage barrel (1024) and is disposed between the top disc (1023) and the rotating plate (1025).
4. The pre-insertion indexing mechanism (100) of the insulation slot wedge of the motor stator according to claim 2, wherein a top disc notch (1033) is circumferentially arranged at the edge of the top disc (1023), a temporary storage device positioning driving structure (1034) is arranged on the turntable (1022), and a temporary storage device positioning device (1035) matched with the top disc notch (1033) is arranged on the temporary storage device positioning driving structure (1034); the temporary storage device positioning driving structure (1034) is used for driving the temporary storage device positioning device (1035) to lift so as to separate and combine the temporary storage device positioning device (1035) and the top disc notch (1033).
5. The pre-insertion indexing mechanism (100) of the stator insulation slot wedge of the motor according to claim 1, wherein the temporary storage device rotation driving device (101) is provided with a temporary storage device rotation driving device lifting structure (1012) for driving the temporary storage device rotation driving device to lift; the guide disc (1026) is provided with a bolt hole, and the temporary storage device autorotation driving device (101) is provided with a bolt (1011) corresponding to the bolt hole.
6. The pre-insertion indexing mechanism (100) of an insulation slot wedge of a motor stator according to claim 1, wherein the temporary storage hole (1021) in the guiding disc (1026) is arranged in an inclined manner, and the inclined direction from top to bottom is from far to near the center of the guiding disc (1026); the outlet position of the temporary storage hole (1021) in the guide disc (1026) is corresponding to the slot wedge mounting hole (401) of the motor stator (400).
7. The pre-insertion indexing mechanism (100) of the insulating slot wedge of the motor stator according to claim 1, wherein the bottom of the guide disc (1026) is provided with a precision positioning device (1028), and the motor stator (400) is provided with a precision positioning slot matched with the precision positioning device (1028).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563921.3A CN109546815B (en) | 2018-12-20 | 2018-12-20 | Pre-insertion indexing mechanism of motor stator insulation slot wedge |
| PCT/CN2019/126316 WO2020125681A1 (en) | 2018-12-20 | 2019-12-18 | Pre-insertion indexing mechanism for insulation slot wedges of motor stator |
| DE212019000121.1U DE212019000121U1 (en) | 2018-12-20 | 2019-12-18 | Advance insertion split mechanism for a motor stator isolation slot wedge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563921.3A CN109546815B (en) | 2018-12-20 | 2018-12-20 | Pre-insertion indexing mechanism of motor stator insulation slot wedge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546815A CN109546815A (en) | 2019-03-29 |
| CN109546815B true CN109546815B (en) | 2024-02-27 |
Family
ID=65856005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563921.3A Active CN109546815B (en) | 2018-12-20 | 2018-12-20 | Pre-insertion indexing mechanism of motor stator insulation slot wedge |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109546815B (en) |
| DE (1) | DE212019000121U1 (en) |
| WO (1) | WO2020125681A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546815B (en) * | 2018-12-20 | 2024-02-27 | 佳木斯电机股份有限公司 | Pre-insertion indexing mechanism of motor stator insulation slot wedge |
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| DE2011204A1 (en) * | 1969-03-11 | 1970-10-01 | General Electric Company, Schenectady, N.Y. (V.St.A.) | Method and apparatus for forming shaped insulators and building magnetic core coils |
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| DE102009037581A1 (en) * | 2009-08-14 | 2011-02-17 | Volkswagen Ag | Groove wedge for locking stator groove of stator of permanently excited electric motor, has magnetic field sensor arranged in stator groove of stator to measure magnetic field of rotor, where wedge is partially made of fabric and/or plastic |
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| CN209283044U (en) * | 2018-12-20 | 2019-08-20 | 广州市卓易精密机械有限公司 | A kind of motor stator insulated groove wedge automatic-inserting device |
| CN109546815B (en) * | 2018-12-20 | 2024-02-27 | 佳木斯电机股份有限公司 | Pre-insertion indexing mechanism of motor stator insulation slot wedge |
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2018
- 2018-12-20 CN CN201811563921.3A patent/CN109546815B/en active Active
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2019
- 2019-12-18 DE DE212019000121.1U patent/DE212019000121U1/en not_active Expired - Lifetime
- 2019-12-18 WO PCT/CN2019/126316 patent/WO2020125681A1/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| DE212019000121U1 (en) | 2020-07-07 |
| CN109546815A (en) | 2019-03-29 |
| WO2020125681A1 (en) | 2020-06-25 |
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Effective date of registration: 20240130 Address after: 154000 380 Guangfu East Road, Qianjin District, Jiamusi City, Heilongjiang Province Applicant after: JIAMUSI ELECTRIC MACHINE Co.,Ltd. Country or region after: China Address before: 510730 No.7, Jingsheng street, Nanwan Industrial Zone, Huangpu District, Guangzhou City, Guangdong Province Applicant before: GUANGZHOU TRAYI PRECISION MACHINERY Co.,Ltd. Country or region before: China |
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